Bowmalloy BOW36522 Hex Head Cap Screw Grade 9 Steel

Product Description

The BOWMALLOY BOW36522 is a Grade 9 steel hex head cap screw designed for high-strength fastening applications in demanding industrial and mechanical assemblies. This screw features a 1-14 thread size and a 4.5-inch length under the head, with partial threading along the shank. The Bowma-Guard finish provides zinc-plated clear chromate corrosion protection. Grade 9 fasteners meet elevated tensile strength requirements beyond standard Grade 5 or Grade 8 specs, making this screw appropriate for heavy equipment, agricultural machinery, and structural connections where standard fasteners are not sufficient.

This hex head cap screw is suited for use in heavy-duty mechanical and structural applications where high-strength, inch-series fasteners are required. The partial threading allows for a smooth shank section between the bearing surface and the threaded engagement zone, which is common in bolted joint designs requiring precise shear-load handling. Installers in agricultural equipment, construction machinery, and industrial fabrication regularly specify Grade 9 fasteners for these connection types.

Key Features

• Grade 9 steel construction for high tensile strength beyond Grade 8 specifications
• 1-14 thread size (inch series, coarse-adjacent fine pitch) for secure thread engagement
• 4.5-inch length under head for deep fastening reach
• Partially threaded shank for improved shear load performance in bolted joints
• Bowma-Guard zinc-plated clear chromate finish for corrosion resistance

Compatibility

Designed as a high-strength inch-series hex head cap screw for use in heavy equipment, agricultural machinery, and industrial assemblies requiring Grade 9 fastener specifications.

Installation Notes

Installation should be performed by a qualified mechanic or millwright familiar with high-strength fastener torque requirements for Grade 9 hardware. Always consult the equipment manufacturer's torque specification chart before tightening. Power down and de-energize or depressurize any assembly before servicing fastened joints. Do not mix Grade 9 fasteners with lower-grade nuts or washers, as mismatched hardware can compromise joint integrity.